dridex | 389f1b41092c5a92fdb6ad52e8c230594d557f58e4192f862fe83fc198a7bbab

Analysis

max time kernel
110s
max time network
17s
platform
windows7_x64
resource
win7-20240708-en
resource tags

arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
submitted
12-09-2024 04:37

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General

Target

ae1cc8c9038158b9930e33faf43f87c0N.dll
Size

469KB
MD5

ae1cc8c9038158b9930e33faf43f87c0
SHA1

ca0714a6772d3aab9c57d2c27ab6e77978673fd9
SHA256

389f1b41092c5a92fdb6ad52e8c230594d557f58e4192f862fe83fc198a7bbab
SHA512

12a83acef4aaba312a950c30d0da04d40285f1ff77ddb0933c59fa7db3c0ceca1aa3016bca5f98b32deed29743b1efac09a4ef54b7212f20494b780a60dce4b0
SSDEEP

6144:kzWxkOP4p2EesvcDi6DOHPJXfQy1GzCSVs+W7T0:BSOP47es0e6yHPJXff1sCo40

Score

10^/10

dridex 22201 botnet discovery loader

Malware Config

Extracted

Family

dridex

Botnet

22201

144.76.1.150:443

50.249.212.98:23399

104.168.154.79:5007

rc4.plain

Signatures

Dridex
Dridex(known as Bugat/Cridex) is a form of malware that specializes in stealing bank credentials.
botnet dridex

Dridex Loader 1 IoCs

Detects Dridex both x86 and x64 loader in memory.

botnet loader

Processes:

resource	yara_rule
behavioral1/memory/2408-1-0x0000000074C10000-0x0000000074C41000-memory.dmp	dridex_ldr

Program crash 1 IoCs

Processes:

WerFault.exe

pid	pid_target	Process	procid_target
2692	2408	WerFault.exe	30

System Location Discovery: System Language Discovery 1 TTPs 1 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

Processes:

rundll32.exe

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	rundll32.exe

Suspicious use of WriteProcessMemory 11 IoCs

Processes:

rundll32.exerundll32.exe

description	pid	Process	procid_target
PID 2368 wrote to memory of 2408	2368	rundll32.exe	30
PID 2368 wrote to memory of 2408	2368	rundll32.exe	30
PID 2368 wrote to memory of 2408	2368	rundll32.exe	30
PID 2368 wrote to memory of 2408	2368	rundll32.exe	30
PID 2368 wrote to memory of 2408	2368	rundll32.exe	30
PID 2368 wrote to memory of 2408	2368	rundll32.exe	30
PID 2368 wrote to memory of 2408	2368	rundll32.exe	30
PID 2408 wrote to memory of 2692	2408	rundll32.exe	32
PID 2408 wrote to memory of 2692	2408	rundll32.exe	32
PID 2408 wrote to memory of 2692	2408	rundll32.exe	32
PID 2408 wrote to memory of 2692	2408	rundll32.exe	32

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\ae1cc8c9038158b9930e33faf43f87c0N.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2368
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\ae1cc8c9038158b9930e33faf43f87c0N.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2408
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2408 -s 220
    3⤵
    - Program crash
    PID:2692

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/2408-0-0x0000000000160000-0x0000000000166000-memory.dmp

Filesize
24KB

Download
memory/2408-1-0x0000000074C10000-0x0000000074C41000-memory.dmp

Filesize
196KB

Download
memory/2408-3-0x0000000000160000-0x0000000000166000-memory.dmp

Filesize
24KB

Download